is a Parrot developer whose main activities are in the realm of exception handling and the HLL (high level language) Interoperability, meaning one of Parrot's main goal, that programs written in different languages can talk to each other. He also touched parts of the NQP language and the PCT (Parrot Compiler Toolkit). The Parrot compiler for Ruby (Cardinal) and LOLCODE are largely his work and he wrote also parts of Rakudo.